| Ethnologue Language Names | art-330 |
| Old Khmer | |
| ISO 639-3 | art-001 | kdt |
| Ethnologue Language Names | art-330 | Aouei |
| Ethnologue Language Names | art-330 | Cuoi |
| Ethnologue Language Names | art-330 | Dui |
| Ethnologue Language Names | art-330 | Khamen-Boran |
| Ethnologue Language Names | art-330 | Kui |
| Ethnologue Language Names | art-330 | Kuoy |
| Ethnologue Language Names | art-330 | Kuy |
| Ethnologue Language Names | art-330 | Soai |
| Ethnologue Language Names | art-330 | Suai |
| Ethnologue Language Names | art-330 | Suay |
| Ethnologue Language Names | art-330 | Suei |
| Ethnologue Language Names | art-330 | Sui |
| Ethnologue Language Names | art-330 | Suoi |